On Fri, 17 May 1996, Yiorgos Adamopoulos wrote: > `.' is regexp. The characters that I know that are either regexps or > wildcards are: `.', `+', `*', `[', `]', `-', `?', `{', `}', `|', `^', > `(', `)'. egrep(1), sh(1), and perl(1) describe them. > > I don't know if `@' is in the above set. SQL uses the '@' character as an 'at' descriptor. It is used for expressing where characters would appear in a string. So I guess there's the possibility that '@' has regexp usage in unix somewhere. > -- > Yiorgos Adamopoulos adamo@noc.ntua.gr > National Technical University of Athens, NOC > --